Sistemul Solar de Colorat

5/22/2018 Sistemul Solar de Colorat

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http://www.windows.ucar.edu/


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The source of this material is Windows to the Universe, at http://www.windows.ucar.edu at the University Corporationfor Atmospheric Research (UCAR). 19951999, 2000 The Regents of the University of Michigan; 200001 UniversityCorporation for Atmospheric Research. All Rights Reserved.

The Sun

The Sun is a star at the center of our solar system. It gives

off light and heat. The Sun is bigger than any of the planets.The Sun looks yellow from Earth.

Never look directly at the Sun, because it will hurt your eyes!

Size: The Sun is wider than 100 Earths.

Temperature: ~27,000,000F in the center, ~10,000F at thesurface. So, thats REALLY hot anywhere on the Sun!

The Sun is made up of gas.


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Mercury

Mercury is a ball of rock.

Mercury is the planet closest to the Sun. Its grey surfaceis covered with craters. It would not be very nice to live onMercury, because it is either REALLY hot or REALLY cold.

Size: About 1/3 as wide as the Earth.

Number of moons: 0Temperature: 279F to 800F. So REALLY cold or REALLYhot depending on if youre in the shade or not!


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Venus

Size: Almost as big as the Earth.

Number of moons: 0Temperature: ~890F. Venus is VERY hot!

Venus is mainly made of rock.

Venus is the second planet from the Sun. It has thick yellowclouds made of acid. The surface has lots of volcanoes,mountains, and big cracks on the surface.


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Earth

Size: 7,926 miles

Number of moons: 1Temperature: 130F to 136F. These temperatures can feelcold or hot, but mainly the temperature is great for life hereon Earth!

The Earth is mainly made of rock.

Earth is the third planet from the Sun. It has water on thesurface and air we can breathe. From space, Earth looks likea blue ball with land that is brown and green and clouds thatare white.


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Mars

Mars is mainly made of rock.

Mars is the fourth planet from the Sun. Mars is covered withred rocks. There are huge volcanoes and lots of craters onthe surface. So far, scientists havent found any life on Mars.

Size: About half as big as Earth.

Number of moons: 2Temperature: 266F to 62F. So Mars is a pretty cold place


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Asteroids

Location: Most are in the asteroid belt between Marsand Jupiter.

Size: From about 1/2 mile to hundreds of miles across.

Asteroids are made of rock and metal.

Asteroid are large rocks that orbit the Sun. The drawingabove is of the asteroid Gaspra. Gaspra is brown and grey.


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Jupiter

Size: About 11 Earths across.

Number of moons: 60Temperature: 278F. So Jupiter is REALLY cold!

Jupiter is mainly made of liquid and gas, with a small

rocky core.Jupiter is the fifth planet from the Sun. It is the biggestplanet in the solar system. Jupiter is orange, red, yellow,brown, and white. Jupiter also has a Great Red Spot. You candraw the red spot on the picture.


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Saturn

Size: Bigger than 9 Earths across.

Number of moons: 31Temperature: 292F. So Saturn is REALLY cold!

Saturn is mainly made of gas and liquid, with a small

rocky core.Saturn is the sixth planet from the Sun. It is a giant planet.Saturn has beautiful rings. Saturn is gold, brown, and white.Its rings are gold, brown, white, red, yellow, and green.


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Uranus

Size: Uranus is about 4 Earths across.

Number of moons: 21Temperature: 346F. Uranus is SUPER cold!

Uranus is a ball of gas with a rocky core.

Uranus is the seventh planet from the Sun. The clouds thatcircle the planet are greenish-blue. Uranus also has 11 thinrings (not shown here) that surround the planet.


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Neptune

Size: About 4 Earths across.

Number of moons: 11Temperature: 353F. So Neptune is SUPER cold!

Neptune is a ball of gas with a metal core.

Neptune is usually the eighth planet from the Sun. For a fewyears Pluto was actually closer to the Sun than Neptune. Theplanet is surrounded by blue clouds and dark rings.


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Pluto

Size: A lot smaller than the Earth.

Number of moons: 1Temperature: ~365F. Pluto is ALWAYS cold.

Pluto is a ball of frozen gas.

Pluto is the smallest planet in the solar system. It is usuallythe farthest planet from the Sun. From 1979 through 1999,the orbit of Pluto came within the orbit of Neptune, so thatNeptune was the farthest planet.


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Location: At the outer edge of the solar system.

Number: Millions of them.Famous Comet: Halleys Comet returns to Earth every76 years.

Comets

Comets are huge dirty snowballs that are found in the

farthest parts of the solar system. Comets are made of icedust, and small chunks of rock. Some comets come into theinner solar system every few hundred years and travel aroundthe Sun.

Sistemul Solar de Colorat

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